Understanding Hearing Aids The number one problem in amplifying sound to alleviate an impaired hearing rest on the ability of the device to separate those troublesome background noise while simultaneously enhancing critical speech signals necessary for understanding. What this means is that it is not enough for audiologists simply to choose from among the many hearing aids what would best fit his patient. What is more important is what type of technology is used to amplify speech signal and control those unnecessary loud sounds that can choke one hearing tolerance. There are analog hearing aids that can detect loud or soft sounds. What this means is the device is able to recognize loud sounds like traffic sounds that it does not amplify further. This feature is known as “automatic gain control”. The digital hearing aid on the other hand comprise a much more sophisticated means of processing incoming sounds and convert them into clearer and more audible sounds and then releases these at the appropriate sound level into the earso that one can take them comfortably. This smart technology will enable the audiologist to give a more precise prescription when it comes to your degree of hearing loss, personal lifestyle, and the cosmetic or appearance needs. With digital hearing aids, you can hear normal and look normal, unlike when you wear the traditional analog hearing aids.
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And since they are digital, then that alone makes it a great hearing aid. This means that you no longer need to throw out a scrap hearing aid when your worsening hearing loss becomes prominent. This digital hearing aid can actually be reprogrammed by your hearing aid professional so that you don’t need to buy a new unit.
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If we look at this subject deeper, we would remember that the brain houses the most powerful signal processor which is at the center of human hearing. Yet, without the two fully functioning sound input that comes from both ears, this remarkable sound processor is now left to guess. In other words, when an endless stream of sound waves from both ears is then converted into electrical energy to be fed to the central processor is marred then it follows that its interpretation will also be incorrect. This means that if we simple amplify sounds without filtering it the way the brain filters it out, localizing certain sounds in the environment, discriminating particular sounds or signals, auditory cuing sounds that have been stored as memory, if there is no filtering of sounds of this nature, then everything will be distorted, the brain cannot process it properly and your common and rational perception is totally undermined, and the only way to bring it back to normal is with the help of human made technology what we are using today.